Respuesta :

9 to the negative second power, is 9^-2.

Which equals to 1/(9^2)

= 1/81

Answer:

[tex]\frac{1}{81}[/tex]

Step-by-step explanation:

[tex]9^{-2}[/tex]

That is equal to [tex]\frac{1}{9^2}[/tex]

Finally gives;

Answer = [tex]\frac{1}{81}[/tex]